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//=============================================================================
// Awl
// Audio Widget Library
// $Id:$
//
// Copyright (C) 2002-2006 by Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#ifndef __AWLASLIDER_H__
#define __AWLASLIDER_H__
#include "libmscore/sparm.h"
namespace Awl {
//---------------------------------------------------------
// AbstractSlider
//
//! The AwlAbstractSlider class provides an double value
//! within a range
//
//! The class is designed as a common super class for
//! widgets like AwlKnob and AwlSlider
//!
//---------------------------------------------------------
class AbstractSlider : public QWidget {
Q_OBJECT
Q_PROPERTY(double value READ value WRITE setValue)
Q_PROPERTY(bool center READ center WRITE setCenter)
Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance)
Q_PROPERTY(int scaleWidth READ scaleWidth WRITE setScaleWidth)
Q_PROPERTY(QColor scaleColor READ scaleColor WRITE setScaleColor)
Q_PROPERTY(QColor scaleValueColor READ scaleValueColor WRITE setScaleValueColor)
Q_PROPERTY(int id READ id WRITE setId)
Q_PROPERTY(double minValue READ minValue WRITE setMinValue)
Q_PROPERTY(double maxValue READ maxValue WRITE setMaxValue)
Q_PROPERTY(double lineStep READ lineStep WRITE setLineStep)
Q_PROPERTY(double pageStep READ pageStep WRITE setPageStep)
Q_PROPERTY(bool log READ log WRITE setLog)
protected:
int _id;
double _value;
double _minValue, _maxValue, _lineStep, _pageStep;
bool _center;
bool _invert;
int _scaleWidth; //! scale line width
QColor _scaleColor;
QColor _scaleValueColor;
bool _log;
virtual void wheelEvent(QWheelEvent*);
virtual void keyPressEvent(QKeyEvent*);
virtual void valueChange();
signals:
void valueChanged(double, int);
public slots:
virtual void setValue(double v);
public:
AbstractSlider(QWidget* parent = 0);
virtual void setCenter(bool val);
virtual void setScaleWidth(int);
virtual void setScaleColor(const QColor&);
virtual void setScaleValueColor(const QColor&);
//! return the center flag
bool center() const { return _center; }
//! return the scale line width
int scaleWidth() const { return _scaleWidth; }
//! return current scale color
QColor scaleColor() const { return _scaleColor; }
//! return color of active scale part
QColor scaleValueColor() const { return _scaleValueColor; }
virtual void setInvertedAppearance(bool val) { _invert = val; }
bool invertedAppearance() const { return _invert; }
int id() const { return _id; }
void setId(int i) { _id = i; }
virtual double value() const;
double minValue() const { return _minValue; }
void setMinValue(double v) { _minValue = v; }
void setMinLogValue(double v);
double maxValue() const {return _maxValue; }
void setMaxValue(double v) { _maxValue = v; }
void setMaxLogValue(double v);
void setRange(double a, double b) {
setMinValue(a);
setMaxValue(b);
}
void setLogRange(double a, double b) {
setMinLogValue(a);
setMaxLogValue(b);
}
bool log() const { return _log; }
void setLog(bool v) { _log = v; }
double lineStep() const { return _lineStep; }
void setLineStep(double v) { _lineStep = v; }
double pageStep() const { return _pageStep; }
void setPageStep(double f) { _pageStep = f; }
void setEnabled(bool val);
virtual void init(const SyntiParameter& p);
};
}
#endif
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